1620952 has 16 divisors (see below), whose sum is σ = 3097440. Its totient is φ = 794976.

The previous prime is 1620929. The next prime is 1620961. The reversal of 1620952 is 2590261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (193590).

2^1620952 is an apocalyptic number.

It is an amenable number.

1620952 is a deficient number, since it is larger than the sum of its proper divisors (1476488).

1620952 is a wasteful number, since it uses less digits than its factorization.

1620952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1620952 is about 1273.1661321289. The cubic root of 1620952 is about 117.4690306189.

It can be divided in two parts, 16209 and 52, that added together give a palindrome (16261).

The spelling of 1620952 in words is "one million, six hundred twenty thousand, nine hundred fifty-two".